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DIY Kit Blue LED Blinking Light Hourglass Shaped DIY Flashing Light Electronic DIY Soldering Kits for School Students

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Parameters:

No. Parameter Value
1 Name Electronic hourglass
2 Model EH-30
3 Working Voltage DC 3.3-5V
4 Shape Size 74.4*43.7*24mm
5 Hourglass Speed Adjustable
6 Packing Weight 34g/kit
7 LED Color Blue


Tools you need:
1>. Iron (30W)
2>. Solder wire
3>. Multimeter
4>. Tweezers
5>. Wire cutters

Precautions:
1>. Check part values & quantities against part list.
2>. Always meter resistors values before soldering.
3>. Understand all part polarities and orientations.

Component list:

No. Name Parameter QTY
R1-R30. R32. R33 RES 3.3K 32
R31 RES 1M 1
C2 CAP 222P 1
C1 E-CAP 22uF 1
LED-LED30 LED 5mm 30
U1 IC 4069 1
U2. U3 IC 4015 2
SW1 Direction switch SW300DA 1
S1 Power switch 6P Auto lock 1
VR1 ADJ-RES 100K 1
CN1-CN4 Connector 8P 4
CN5-CN8 Connector 8P 4
/ PCB EH-30-MAIN 1
/ PCB EH-30-LED 1


Installation steps:
1>. Install MIAN RES: R31=1 M ohms; Other resistors are 3.3K ohms



2>. Install CAP: C2=222P



3>. Install E- CAP: C1=22uF, Notice that the positive electrode of electrolytic capacitor can not be reversed.



4>. Install Directional switch. Bend the switch 90 degrees, and then install it to SW1.


5>. Install ADJ-RES:
VR1=104K. Note that the adjustable resistance should be soldered to the back of the circuit board.


6>. Install power switch:
Pay attention to the installation direction installation direction of the switch.



7>. Install IC:
Pay attention to the installation direction of the IC. U1=CD4069. U2=U3=CD4015.



8>. Install 8pin Connector:
Refer to the picture below, install connector to CN5, CN6, CN7,CN8.



9>. Install LED panel:
Install 30 LED on the circuit board. The long foot is the positive pole. Install on the rectangle pad.


10>. Install pin connector:
Install the short side of the connector to the back of the circuit board.


11>. Install main and LED:
Install the motherboard and LED gently press together A point to A, B point to B.



12>. Soldering power cable:
Red line is positive power supply DC5V suitable for USB. 3 section AA or AAA battery box.


Warm Tips:
Light- emitting diode and electrolytic capacitor the longer pin is it the anode it should be installed on the rectangle pad of PCB. Refer to the picture below:



I. Tested by ICStation:

Learn More Details in the Video:

 

II. Tested by ICStation's Outstanding Customer DrakerDG:

Learn More Details in the Video:
(The language in the video is Spanish)

Quantity10+30+50+100+
Price$3.25$3.00$2.85$2.60
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